PH-EP Preprints

Ostatnio dodane:
2016-10-13
08:14
 Search for the $C\!P$-violating strong decays $\eta \to \pi^+\pi^-$ and $\eta^\prime(958) \to \pi^+\pi^-$ / LHCb collaboration A search for the $C\!P$-violating strong decays $\eta \to \pi^+\pi^-$ and $\eta^\prime(958) \to \pi^+\pi^-$ has been performed using approximately $2.5 \times 10^{7}$ events of each of the decays $D^+ \to \pi^+\pi^+\pi^-$ and $D_s^+ \to \pi^+\pi^+\pi^-$, recorded by the LHCb experiment. [...] arXiv:1610.03666 ; LHCB-PAPER-2016-046 ; CERN-EP-2016-257. - 2016. - 17 p. Preprint - Full text - Related data file(s) - Related supplementary data file(s)

2016-10-10
19:04
 Search for high-mass Z$\gamma$ resonances in $\mathrm{ e }^{+}\mathrm{ e }^{-}\gamma$ and $\mu^{+}\mu^{-}\gamma$ final states in proton-proton collisions at $\sqrt{s}=$ 8 and 13 TeV / CMS Collaboration This paper describes the search for a high-mass narrow-width scalar particle decaying into a Z boson and a photon. [...] arXiv:1610.02960 ; CMS-EXO-16-021 ; CERN-EP-2016-230. - 2016. - 30 p. Preprint - Full text

2016-10-07
17:36
 Measurements of prompt charm production cross-sections in $pp$ collisions at $\sqrt{s} = 5$ TeV / LHCb Collaboration Production cross-sections of prompt charm mesons are measured using data from $pp$ collisions at the LHC at a centre-of-mass energy of $5\,$TeV. [...] arXiv:1610.02230 ; LHCB-PAPER-2016-042 ; CERN-EP-2016-244. - 2016. - 43 p. Related data file(s) - Preprint - Full text - Related supplementary data file(s)

2016-10-06
09:47
 Observation of $B^+\rightarrow J/\psi 3\pi^+ 2\pi^-$ and $B^+\rightarrow \psi(2S) \pi^+\pi^+\pi^-$ decays / LHCb Collaboration The decays $B^+\rightarrow J/\psi 3\pi^+ 2\pi^-$ and $B^+\rightarrow \psi(2S) \pi^+\pi^+\pi^-$ are observed for the first time using a data sample corresponding to an integrated luminosity of $3.0fb^{-1}$, collected by the LHCb experiment in proton-proton collisions at the centre-of-mass energies of 7 and 8 TeV. [...] arXiv:1610.01383 ; LHCB-PAPER-2016-040 ; CERN-EP-2016-247. - 2016. - 20 p. Related data file(s) - Preprint - Full text

2016-10-03
23:00
 Suppression and azimuthal anisotropy of prompt and nonprompt $\mathrm{J}/\psi$ production in PbPb collisions at $\sqrt{s_{\mathrm{NN}}} =$ 2.76 TeV / CMS Collaboration The nuclear modification factor ${R_{\mathrm{AA}}}$ and the azimuthal anisotropy coefficient ${v_{2}}$ of prompt and nonprompt (i.e. [...] arXiv:1610.00613 ; CMS-HIN-14-005 ; CERN-EP-2016-243. - 2016. - 42 p. Preprint - Full text

2016-10-03
21:53
 Cross section measurement of $t$-channel single top quark production in pp collisions at $\sqrt{s} =$ 13 TeV / CMS Collaboration The cross section for the production of single top quarks in the $t$ channel is measured in proton-proton collisions at 13 TeV with the CMS detector at the LHC. [...] arXiv:1610.00678 ; CERN-EP-2016-233 ; CMS-TOP-16-003. - 2016. - 36 p. Preprint - Full text

2016-10-02
00:32
 Observation of charge-dependent azimuthal correlations in pPb collisions and its implication for the search for the chiral magnetic effect / CMS Collaboration Charge-dependent azimuthal particle correlations with respect to the second-order event plane in pPb and PbPb collisions at a nucleon-nucleon center-of-mass energy of 5.02 TeV have been studied with the CMS experiment at the LHC. [...] CERN-EP-2016-236 ; arXiv:1610.00263 ; CMS-HIN-16-009. - 2016. - 28 p. Preprint - Full text

2016-09-29
21:24
 Search for supersymmetry in events with one lepton and multiple jets in proton-proton collisions at $\sqrt{s}=$ 13 TeV / CMS Collaboration A search for supersymmetry is performed in events with a single electron or muon in proton-proton collisions at a center-of-mass energy of 13 TeV. [...] CERN-EP-2016-239 ; CMS-SUS-15-006-003 ; arXiv:1609.09386. - 2016. Additional information for the analysis - CMS AuthorList - Full text - Full text

2016-09-29
14:26
 Performance of algorithms that reconstruct missing transverse momentum in $\sqrt{s}$= 8 TeV proton--proton collisions in the ATLAS detector / ATLAS Collaboration The reconstruction and calibration algorithms used to calculate missing transverse momentum ($E_{\rm T}^{\rm miss}$) with the ATLAS detector exploit energy deposits in the calorimeter and tracks reconstructed in the inner detector as well as the muon spectrometer. [...] CERN-EP-2016-134 ; arXiv:1609.09324. - 2016. - 68 p. Previous draft version - Full text - Full text

2016-09-27
23:05
 Search for long-lived charged particles in proton-proton collisions at $\sqrt{s}=$ 13 TeV / CMS Collaboration Results are presented of a search for heavy stable charged particles produced in proton-proton collisions at $\sqrt{s} =$ 13 TeV using a data sample corresponding to an integrated luminosity of 2.5 fb$^{-1}$ collected in 2015 with the CMS detector at the CERN LHC. [...] CERN-EP-2016-204 ; CMS-EXO-15-010-003 ; arXiv:1609.08382. - 2016. Additional information for the analysis - CMS AuthorList - Full text - Full text